#40D181#40D181

#40D181 is a light, vivid green. Relative luminance 0.483; OKLCH L 76.5% C 0.168 H 154.6°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#40D181
RGB	rgb(64, 209, 129)
HSL	hsl(147, 61%, 54%)
HSV	hsv(147, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 38.3%, 18%)
CIE-LAB	lab(75.00, -56.11, 28.86)
CIE-LCH	lch(75.00, 63.09, 152.78°)
OKLab	oklab(76.53% -0.1515 0.0721)
OKLCH	oklch(76.53% 0.168 154.6)
XYZ	xyz(28.8747, 48.2727, 28.5604)
Luminance	0.4828 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D181 #D14090

analogous

#47D140 #40D181 #40D1CA

triadic

#40D181 #8140D1 #D18140

tetradic

#40D181 #4047D1 #D14090 #D1CA40

square

#40D181 #4047D1 #D14090 #D1CA40

split-complementary

#40D181 #CA40D1 #D14047

monochromatic

#1D7947 #29AB63 #40D181 #71DDA2 #A3E9C2

Accessibility & contrast

On white

1.97

#40D181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#40D181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D181

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D181	#FFFFFF	#000000	##000000
##40D181	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C07C

Deuteranopia (green-blind)

#BEB386

Tritanopia (blue-blind)

#00CFBD

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #40d181;
/* rgb */ color: rgb(64, 209, 129);
/* oklch */ color: oklch(76.5% 0.168 154.6);

Tailwind

colors: {
  custom: {
    50: '#87e0a6',
    500: '#40d181',
    950: '#000000',
  },
}

SCSS

$custom: #40d181;
$custom-light: #87e0a6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d181",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 129
  },
  "hsl": {
    "h": 146.897,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.76525,
    "c": 0.16781,
    "h": 154.6
  },
  "luminance": 0.48276
}

Semantic roles & 50–950 ramp

primary

#40D181

secondary

#D597BA

accent

#449CE4

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0D150F

muted

#7D837F

Preview Lab

Preview with #40D181

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →